Workbook Detail
Addition Addition Three Digit — Set 35
204 + 372 = ___
Show answer
Answer: 576
- Operand1
- 204
- Operand2
- 372
- Operator
- +
511 + 125 = ___
Show answer
Answer: 636
- Operand1
- 511
- Operand2
- 125
- Operator
- +
143 + 620 = ___
Show answer
Answer: 763
- Operand1
- 143
- Operand2
- 620
- Operator
- +
320 + 268 = ___
Show answer
Answer: 588
- Operand1
- 320
- Operand2
- 268
- Operator
- +
451 + 222 = ___
Show answer
Answer: 673
- Operand1
- 451
- Operand2
- 222
- Operator
- +
432 + 437 = ___
Show answer
Answer: 869
- Operand1
- 432
- Operand2
- 437
- Operator
- +
606 + 381 = ___
Show answer
Answer: 987
- Operand1
- 606
- Operand2
- 381
- Operator
- +
411 + 332 = ___
Show answer
Answer: 743
- Operand1
- 411
- Operand2
- 332
- Operator
- +
701 + 122 = ___
Show answer
Answer: 823
- Operand1
- 701
- Operand2
- 122
- Operator
- +
747 + 211 = ___
Show answer
Answer: 958
- Operand1
- 747
- Operand2
- 211
- Operator
- +
326 + 350 = ___
Show answer
Answer: 676
- Operand1
- 326
- Operand2
- 350
- Operator
- +
312 + 347 = ___
Show answer
Answer: 659
- Operand1
- 312
- Operand2
- 347
- Operator
- +
407 + 261 = ___
Show answer
Answer: 668
- Operand1
- 407
- Operand2
- 261
- Operator
- +
118 + 810 = ___
Show answer
Answer: 928
- Operand1
- 118
- Operand2
- 810
- Operator
- +
651 + 140 = ___
Show answer
Answer: 791
- Operand1
- 651
- Operand2
- 140
- Operator
- +
249 + 640 = ___
Show answer
Answer: 889
- Operand1
- 249
- Operand2
- 640
- Operator
- +
630 + 301 = ___
Show answer
Answer: 931
- Operand1
- 630
- Operand2
- 301
- Operator
- +
836 + 160 = ___
Show answer
Answer: 996
- Operand1
- 836
- Operand2
- 160
- Operator
- +
827 + 162 = ___
Show answer
Answer: 989
- Operand1
- 827
- Operand2
- 162
- Operator
- +
334 + 321 = ___
Show answer
Answer: 655
- Operand1
- 334
- Operand2
- 321
- Operator
- +
Teaching Notes
Download this free addition three digit math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Features
- Printable PDF format
- Answer key included
- Multiple difficulty levels
- Classroom and home friendly
How to Use These Worksheets
- Select a three digit set.
- Print or use on-screen.
- Check answers and practice again.
Tips
- Start with easier sets and move up gradually.
- Practice in short sessions (10–15 minutes).
- Review mistakes and redo similar problems.
Frequently Asked Questions
How do I use this Addition Three Digit Math Worksheet worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.